Read the spec sheet like a mechanic.
Five things that actually separate e-bikes — and the marketing numbers to ignore.
01Battery: watt-hours are the truth
Range claims vary wildly with rider weight, terrain, and assist level. The comparable number is battery capacity in watt-hours (Wh) — volts × amp-hours. As a rough rule, expect 10–15 Wh per km in mixed riding with mid assist. A 500 Wh battery realistically covers 35–50 km, not the 80+ some brochures promise.
02Torque beats peak power
Motor wattage is capped by law in most places, so brands shout about peak watts instead. For real-world feel — hill starts, cargo loads, headwinds — torque (Nm) is the number that matters. 40–50 Nm suits flat commutes; 65 Nm+ earns its keep on hills or with a loaded rack.
03Weight is a daily tax
Every kilo matters if you carry the bike upstairs, lift it onto a rack, or push it flat-battery. Sub-20 kg is light for an ebike; cargo bikes run 30 kg+. Check max payload too — rider plus panniers plus child seat adds up faster than you think.
04Legal class decides where you can ride
Assist cut-off speed and motor rating determine whether a bike is legally a bicycle or a registrable vehicle in your state. In Australia, pedelecs assisting to 25 km/h at 250 W ride like bicycles; anything faster or throttle-heavy can need registration. Always check your local rules before buying.
05Brakes and warranty are the boring essentials
Hydraulic disc brakes are worth the premium on anything heavy or fast — cable discs fade with load. On warranty, the battery term is the one to read: batteries are the most expensive replaceable part, and 2+ years of battery cover separates serious brands from box-shifters.
The five lessons above as a printable one-pager — the specs to check, the questions to ask on the shop floor, and the red flags to walk away from. Drop your email and it's yours; we'll also flag a standout e-bike deal now and then.
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